How to subtract fractions with unlike denominators

How to subtract fractions with unlike denominators

Assessment

Interactive Video

Mathematics, Business

11th Grade - University

Hard

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The video tutorial explains how to find a common denominator for fractions, focusing on the least common denominator. It provides a method to determine the least common denominator by listing multiples of the larger denominator. The tutorial also covers creating equivalent fractions by multiplying both the numerator and denominator by the same number. Finally, it demonstrates subtracting fractions with common denominators and checking if the result can be reduced.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the first step to find a common denominator for the fractions with denominators 5 and 8?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to determine the least common denominator using the numbers 5 and 8.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to multiply both the numerator and denominator when finding equivalent fractions?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the result of subtracting the fractions 32/40 and 35/40?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

After performing the subtraction, how do you determine if the result can be reduced?

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